<template>
  <le-charts :options="options" @click="onChartClick"></le-charts>
</template>

<script>
import LeCharts from '@/components/Charts'
import 'echarts/lib/chart/pie'
import 'echarts/lib/component/tooltip'
import 'echarts/lib/component/title'

export default {
  components: {
    LeCharts
  },
  data() {
    return {
      options: {
        title: {
          text: '某站点用户访问来源',
          subtext: '纯属虚构',
          x: 'center'
        },
        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
          orient: 'vertical',
          left: 'left',
          data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
        },
        series: [
          {
            name: '访问来源',
            type: 'pie',
            radius: '55%',
            center: ['50%', '60%'],
            data: [
              { value: 335, name: '直接访问' },
              { value: 310, name: '邮件营销' },
              { value: 234, name: '联盟广告' },
              { value: 135, name: '视频广告' },
              { value: 1548, name: '搜索引擎' }
            ],
            itemStyle: {
              emphasis: {
                shadowBlur: 10,
                shadowOffsetX: 0,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
              }
            }
          }
        ]
      }
    }
  },
  methods: {
    onChartClick(param) {
      console.log(param)
      this.$message.success(param.name)
    }
  }
}
</script>

<style lang="scss" scoped></style>
